Answer:
Actual Area=5,400 (in.)²
Step-by-step explanation:
Scale: 1 cm=7.5 in.
Drawing is 8 cm by 12 cm
Drawing Length=12 cm
Actual Length=Scale factorĂ—Drawing Length=(7.5Ă—12)=90 in.
Drawing Width=8 cm
Actual Width=Scale factorĂ—Drawing Length=(7.5Ă—8)=60 in.
Actual Area=(Actual LengthĂ—Actual width)=(90Ă—60)=5,400 squared inches
Actual Area=5,400 (in.)²